Watched Seaspiracy and questioned my "plenty more fish in the sea" assumptions. Corollary is much of the plankton and motion of creatures in the oceans helps to absorb CO2 an order of magnitude more than rainforests. Which of course are also being decimated.
Haven't watched it yet but here's Gates on the matter in new interview: https://m.youtube.com/watch?v=XbZX6uj8K_M
More discussion is needed. Especially in IT where e-waste is an issue.